The best thing about this book is Alper's explanation of why the United States is an outlier among first world countries in terms of religious belief.The best thing about this book is Alper's explanation of why the United States is an outlier among first world countries in terms of religious belief. His thesis is that religion has a genetic basis, the U.S. was founded by religious fanatics, and about 40% of the current population is descended from those fanatics....more